# Copyright 2024 Bytedance Ltd. and/or its affiliates
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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from .performance import log_gpu_memory_usage

def rank_breakpoint(rank=0):
    import ray
    runtime_env_vars = ray.get_runtime_context().runtime_env['env_vars']
    if runtime_env_vars.get('RAY_DEBUG', '0') != '0' and runtime_env_vars.get('RAY_LOCAL_RANK', '0') == str(rank):
        breakpoint()